251358744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1721

約数の個数: 128

約数和(自身を含む): 784788480

約数和(自身を除く): 533429736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 71, 78, 84, 91, 104, 142, 156, 168, 182, 213, 273, 284, 312, 364, 426, 497, 546, 568, 728, 852, 923, 994, 1092, 1491, 1621, 1704, 1846, 1988, 2184, 2769, 2982, 3242, 3692, 3976, 4863, 5538, 5964, 6461, 6484, 7384, 9726, 11076, 11347, 11928, 12922, 12968, 19383, 19452, 21073, 22152, 22694, 25844, 34041, 38766, 38904, 42146, 45388, 51688, 63219, 68082, 77532, 84292, 90776, 115091, 126438, 136164, 147511, 155064, 168584, 230182, 252876, 272328, 295022, 345273, 442533, 460364, 505752, 590044, 690546, 805637, 885066, 920728, 1180088, 1381092, 1496183, 1611274, 1770132, 2416911, 2762184, 2992366, 3222548, 3540264, 4488549, 4833822, 5984732, 6445096, 8977098, 9667644, 10473281, 11969464, 17954196, 19335288, 20946562, 31419843, 35908392, 41893124, 62839686, 83786248, 125679372, 251358744]

約数ペア:

[(1, 251358744), (2, 125679372), (3, 83786248), (4, 62839686), (6, 41893124), (7, 35908392), (8, 31419843), (12, 20946562), (13, 19335288), (14, 17954196), (21, 11969464), (24, 10473281), (26, 9667644), (28, 8977098), (39, 6445096), (42, 5984732), (52, 4833822), (56, 4488549), (71, 3540264), (78, 3222548), (84, 2992366), (91, 2762184), (104, 2416911), (142, 1770132), (156, 1611274), (168, 1496183), (182, 1381092), (213, 1180088), (273, 920728), (284, 885066), (312, 805637), (364, 690546), (426, 590044), (497, 505752), (546, 460364), (568, 442533), (728, 345273), (852, 295022), (923, 272328), (994, 252876), (1092, 230182), (1491, 168584), (1621, 155064), (1704, 147511), (1846, 136164), (1988, 126438), (2184, 115091), (2769, 90776), (2982, 84292), (3242, 77532), (3692, 68082), (3976, 63219), (4863, 51688), (5538, 45388), (5964, 42146), (6461, 38904), (6484, 38766), (7384, 34041), (9726, 25844), (11076, 22694), (11347, 22152), (11928, 21073), (12922, 19452), (12968, 19383)]