72104864

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 72

約数和(自身を含む): 156794400

約数和(自身を除く): 84689536

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 169, 199, 208, 268, 338, 398, 416, 536, 676, 796, 871, 1072, 1352, 1592, 1742, 2144, 2587, 2704, 3184, 3484, 5174, 5408, 6368, 6968, 10348, 11323, 13333, 13936, 20696, 22646, 26666, 27872, 33631, 41392, 45292, 53332, 67262, 82784, 90584, 106664, 134524, 173329, 181168, 213328, 269048, 346658, 362336, 426656, 538096, 693316, 1076192, 1386632, 2253277, 2773264, 4506554, 5546528, 9013108, 18026216, 36052432, 72104864]

約数ペア:

[(1, 72104864), (2, 36052432), (4, 18026216), (8, 9013108), (13, 5546528), (16, 4506554), (26, 2773264), (32, 2253277), (52, 1386632), (67, 1076192), (104, 693316), (134, 538096), (169, 426656), (199, 362336), (208, 346658), (268, 269048), (338, 213328), (398, 181168), (416, 173329), (536, 134524), (676, 106664), (796, 90584), (871, 82784), (1072, 67262), (1352, 53332), (1592, 45292), (1742, 41392), (2144, 33631), (2587, 27872), (2704, 26666), (3184, 22646), (3484, 20696), (5174, 13936), (5408, 13333), (6368, 11323), (6968, 10348)]