221394498

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 533299200

約数和(自身を除く): 311904702

約数列:

[1, 2, 3, 6, 13, 19, 26, 31, 38, 39, 57, 61, 62, 78, 79, 93, 114, 122, 158, 183, 186, 237, 247, 366, 403, 474, 494, 589, 741, 793, 806, 1027, 1159, 1178, 1209, 1482, 1501, 1586, 1767, 1891, 2054, 2318, 2379, 2418, 2449, 3002, 3081, 3477, 3534, 3782, 4503, 4758, 4819, 4898, 5673, 6162, 6954, 7347, 7657, 9006, 9638, 11346, 14457, 14694, 15067, 15314, 19513, 22971, 24583, 28914, 30134, 31837, 35929, 39026, 45201, 45942, 46531, 49166, 58539, 62647, 63674, 71858, 73749, 90402, 91561, 93062, 95511, 107787, 117078, 125294, 139593, 147498, 149389, 183122, 187941, 191022, 215574, 274683, 279186, 298778, 375882, 448167, 467077, 549366, 604903, 896334, 934154, 1190293, 1209806, 1401231, 1814709, 1942057, 2380586, 2802462, 2838391, 3570879, 3629418, 3884114, 5676782, 5826171, 7141758, 8515173, 11652342, 17030346, 36899083, 73798166, 110697249, 221394498]

約数ペア:

[(1, 221394498), (2, 110697249), (3, 73798166), (6, 36899083), (13, 17030346), (19, 11652342), (26, 8515173), (31, 7141758), (38, 5826171), (39, 5676782), (57, 3884114), (61, 3629418), (62, 3570879), (78, 2838391), (79, 2802462), (93, 2380586), (114, 1942057), (122, 1814709), (158, 1401231), (183, 1209806), (186, 1190293), (237, 934154), (247, 896334), (366, 604903), (403, 549366), (474, 467077), (494, 448167), (589, 375882), (741, 298778), (793, 279186), (806, 274683), (1027, 215574), (1159, 191022), (1178, 187941), (1209, 183122), (1482, 149389), (1501, 147498), (1586, 139593), (1767, 125294), (1891, 117078), (2054, 107787), (2318, 95511), (2379, 93062), (2418, 91561), (2449, 90402), (3002, 73749), (3081, 71858), (3477, 63674), (3534, 62647), (3782, 58539), (4503, 49166), (4758, 46531), (4819, 45942), (4898, 45201), (5673, 39026), (6162, 35929), (6954, 31837), (7347, 30134), (7657, 28914), (9006, 24583), (9638, 22971), (11346, 19513), (14457, 15314), (14694, 15067)]