197218404

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 553512960

約数和(自身を除く): 356294556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 71, 76, 93, 114, 124, 131, 142, 171, 186, 213, 228, 262, 279, 284, 342, 372, 393, 426, 524, 558, 589, 639, 684, 786, 852, 1116, 1178, 1179, 1278, 1349, 1572, 1767, 2201, 2356, 2358, 2489, 2556, 2698, 3534, 4047, 4061, 4402, 4716, 4978, 5301, 5396, 6603, 7068, 7467, 8094, 8122, 8804, 9301, 9956, 10602, 12141, 12183, 13206, 14934, 16188, 16244, 18602, 19809, 21204, 22401, 24282, 24366, 26412, 27903, 29868, 36549, 37204, 39618, 41819, 44802, 48564, 48732, 55806, 73098, 77159, 79236, 83638, 83709, 89604, 111612, 125457, 146196, 154318, 167276, 167418, 176719, 231477, 250914, 288331, 308636, 334836, 353438, 376371, 462954, 501828, 530157, 576662, 694431, 706876, 752742, 864993, 925908, 1060314, 1153324, 1388862, 1505484, 1590471, 1729986, 2120628, 2594979, 2777724, 3180942, 3459972, 5189958, 5478289, 6361884, 10379916, 10956578, 16434867, 21913156, 32869734, 49304601, 65739468, 98609202, 197218404]

約数ペア:

[(1, 197218404), (2, 98609202), (3, 65739468), (4, 49304601), (6, 32869734), (9, 21913156), (12, 16434867), (18, 10956578), (19, 10379916), (31, 6361884), (36, 5478289), (38, 5189958), (57, 3459972), (62, 3180942), (71, 2777724), (76, 2594979), (93, 2120628), (114, 1729986), (124, 1590471), (131, 1505484), (142, 1388862), (171, 1153324), (186, 1060314), (213, 925908), (228, 864993), (262, 752742), (279, 706876), (284, 694431), (342, 576662), (372, 530157), (393, 501828), (426, 462954), (524, 376371), (558, 353438), (589, 334836), (639, 308636), (684, 288331), (786, 250914), (852, 231477), (1116, 176719), (1178, 167418), (1179, 167276), (1278, 154318), (1349, 146196), (1572, 125457), (1767, 111612), (2201, 89604), (2356, 83709), (2358, 83638), (2489, 79236), (2556, 77159), (2698, 73098), (3534, 55806), (4047, 48732), (4061, 48564), (4402, 44802), (4716, 41819), (4978, 39618), (5301, 37204), (5396, 36549), (6603, 29868), (7068, 27903), (7467, 26412), (8094, 24366), (8122, 24282), (8804, 22401), (9301, 21204), (9956, 19809), (10602, 18602), (12141, 16244), (12183, 16188), (13206, 14934)]