251518428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:568

約数の個数: 144

約数和(自身を含む): 772611840

約数和(自身を除く): 521093412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 131, 133, 171, 228, 252, 262, 266, 342, 393, 399, 401, 524, 532, 684, 786, 798, 802, 917, 1179, 1197, 1203, 1572, 1596, 1604, 1834, 2358, 2394, 2406, 2489, 2751, 2807, 3609, 3668, 4716, 4788, 4812, 4978, 5502, 5614, 7218, 7467, 7619, 8253, 8421, 9956, 11004, 11228, 14436, 14934, 15238, 16506, 16842, 17423, 22401, 22857, 25263, 29868, 30476, 33012, 33684, 34846, 44802, 45714, 50526, 52269, 52531, 53333, 68571, 69692, 89604, 91428, 101052, 104538, 105062, 106666, 137142, 156807, 157593, 159999, 209076, 210124, 213332, 274284, 313614, 315186, 319998, 367717, 472779, 479997, 627228, 630372, 639996, 735434, 945558, 959994, 998089, 1103151, 1470868, 1891116, 1919988, 1996178, 2206302, 2994267, 3309453, 3992356, 4412604, 5988534, 6618906, 6986623, 8982801, 11977068, 13237812, 13973246, 17965602, 20959869, 27946492, 35931204, 41919738, 62879607, 83839476, 125759214, 251518428]

約数ペア:

[(1, 251518428), (2, 125759214), (3, 83839476), (4, 62879607), (6, 41919738), (7, 35931204), (9, 27946492), (12, 20959869), (14, 17965602), (18, 13973246), (19, 13237812), (21, 11977068), (28, 8982801), (36, 6986623), (38, 6618906), (42, 5988534), (57, 4412604), (63, 3992356), (76, 3309453), (84, 2994267), (114, 2206302), (126, 1996178), (131, 1919988), (133, 1891116), (171, 1470868), (228, 1103151), (252, 998089), (262, 959994), (266, 945558), (342, 735434), (393, 639996), (399, 630372), (401, 627228), (524, 479997), (532, 472779), (684, 367717), (786, 319998), (798, 315186), (802, 313614), (917, 274284), (1179, 213332), (1197, 210124), (1203, 209076), (1572, 159999), (1596, 157593), (1604, 156807), (1834, 137142), (2358, 106666), (2394, 105062), (2406, 104538), (2489, 101052), (2751, 91428), (2807, 89604), (3609, 69692), (3668, 68571), (4716, 53333), (4788, 52531), (4812, 52269), (4978, 50526), (5502, 45714), (5614, 44802), (7218, 34846), (7467, 33684), (7619, 33012), (8253, 30476), (8421, 29868), (9956, 25263), (11004, 22857), (11228, 22401), (14436, 17423), (14934, 16842), (15238, 16506)]