31927028

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 69378120

約数和(自身を除く): 37451092

約数列:

[1, 2, 4, 7, 14, 28, 29, 41, 49, 58, 82, 98, 116, 137, 164, 196, 203, 274, 287, 406, 548, 574, 812, 959, 1148, 1189, 1421, 1918, 2009, 2378, 2842, 3836, 3973, 4018, 4756, 5617, 5684, 6713, 7946, 8036, 8323, 11234, 13426, 15892, 16646, 22468, 26852, 27811, 33292, 39319, 55622, 58261, 78638, 111244, 116522, 157276, 162893, 194677, 233044, 275233, 325786, 389354, 550466, 651572, 778708, 1100932, 1140251, 2280502, 4561004, 7981757, 15963514, 31927028]

約数ペア:

[(1, 31927028), (2, 15963514), (4, 7981757), (7, 4561004), (14, 2280502), (28, 1140251), (29, 1100932), (41, 778708), (49, 651572), (58, 550466), (82, 389354), (98, 325786), (116, 275233), (137, 233044), (164, 194677), (196, 162893), (203, 157276), (274, 116522), (287, 111244), (406, 78638), (548, 58261), (574, 55622), (812, 39319), (959, 33292), (1148, 27811), (1189, 26852), (1421, 22468), (1918, 16646), (2009, 15892), (2378, 13426), (2842, 11234), (3836, 8323), (3973, 8036), (4018, 7946), (4756, 6713), (5617, 5684)]