198974802

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 479969280

約数和(自身を除く): 280994478

約数列:

[1, 2, 3, 6, 13, 19, 26, 31, 38, 39, 57, 61, 62, 71, 78, 93, 114, 122, 142, 183, 186, 213, 247, 366, 403, 426, 494, 589, 741, 793, 806, 923, 1159, 1178, 1209, 1349, 1482, 1586, 1767, 1846, 1891, 2201, 2318, 2379, 2418, 2698, 2769, 3477, 3534, 3782, 4047, 4331, 4402, 4758, 5538, 5673, 6603, 6954, 7657, 8094, 8662, 11346, 12993, 13206, 15067, 15314, 17537, 22971, 24583, 25986, 28613, 30134, 35074, 35929, 41819, 45201, 45942, 49166, 52611, 56303, 57226, 71858, 73749, 82289, 83638, 85839, 90402, 105222, 107787, 112606, 125457, 134261, 147498, 164578, 168909, 171678, 215574, 246867, 250914, 268522, 337818, 402783, 467077, 493734, 543647, 805566, 934154, 1069757, 1087294, 1401231, 1630941, 1745393, 2139514, 2550959, 2802462, 3209271, 3261882, 3490786, 5101918, 5236179, 6418542, 7652877, 10472358, 15305754, 33162467, 66324934, 99487401, 198974802]

約数ペア:

[(1, 198974802), (2, 99487401), (3, 66324934), (6, 33162467), (13, 15305754), (19, 10472358), (26, 7652877), (31, 6418542), (38, 5236179), (39, 5101918), (57, 3490786), (61, 3261882), (62, 3209271), (71, 2802462), (78, 2550959), (93, 2139514), (114, 1745393), (122, 1630941), (142, 1401231), (183, 1087294), (186, 1069757), (213, 934154), (247, 805566), (366, 543647), (403, 493734), (426, 467077), (494, 402783), (589, 337818), (741, 268522), (793, 250914), (806, 246867), (923, 215574), (1159, 171678), (1178, 168909), (1209, 164578), (1349, 147498), (1482, 134261), (1586, 125457), (1767, 112606), (1846, 107787), (1891, 105222), (2201, 90402), (2318, 85839), (2379, 83638), (2418, 82289), (2698, 73749), (2769, 71858), (3477, 57226), (3534, 56303), (3782, 52611), (4047, 49166), (4331, 45942), (4402, 45201), (4758, 41819), (5538, 35929), (5673, 35074), (6603, 30134), (6954, 28613), (7657, 25986), (8094, 24583), (8662, 22971), (11346, 17537), (12993, 15314), (13206, 15067)]