1376388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 3990168

約数和(自身を除く): 2613780

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 173, 204, 221, 234, 306, 346, 442, 468, 519, 612, 663, 692, 884, 1038, 1326, 1557, 1989, 2076, 2249, 2652, 2941, 3114, 3978, 4498, 5882, 6228, 6747, 7956, 8823, 8996, 11764, 13494, 17646, 20241, 26469, 26988, 35292, 38233, 40482, 52938, 76466, 80964, 105876, 114699, 152932, 229398, 344097, 458796, 688194, 1376388]

約数ペア:

[(1, 1376388), (2, 688194), (3, 458796), (4, 344097), (6, 229398), (9, 152932), (12, 114699), (13, 105876), (17, 80964), (18, 76466), (26, 52938), (34, 40482), (36, 38233), (39, 35292), (51, 26988), (52, 26469), (68, 20241), (78, 17646), (102, 13494), (117, 11764), (153, 8996), (156, 8823), (173, 7956), (204, 6747), (221, 6228), (234, 5882), (306, 4498), (346, 3978), (442, 3114), (468, 2941), (519, 2652), (612, 2249), (663, 2076), (692, 1989), (884, 1557), (1038, 1326)]