66554416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 143150560

約数和(自身を除く): 76596144

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 61, 74, 76, 97, 122, 148, 152, 194, 244, 296, 304, 388, 488, 592, 703, 776, 976, 1159, 1406, 1552, 1843, 2257, 2318, 2812, 3589, 3686, 4514, 4636, 5624, 5917, 7178, 7372, 9028, 9272, 11248, 11834, 14356, 14744, 18056, 18544, 23668, 28712, 29488, 36112, 42883, 47336, 57424, 68191, 85766, 94672, 112423, 136382, 171532, 218929, 224846, 272764, 343064, 437858, 449692, 545528, 686128, 875716, 899384, 1091056, 1751432, 1798768, 3502864, 4159651, 8319302, 16638604, 33277208, 66554416]

約数ペア:

[(1, 66554416), (2, 33277208), (4, 16638604), (8, 8319302), (16, 4159651), (19, 3502864), (37, 1798768), (38, 1751432), (61, 1091056), (74, 899384), (76, 875716), (97, 686128), (122, 545528), (148, 449692), (152, 437858), (194, 343064), (244, 272764), (296, 224846), (304, 218929), (388, 171532), (488, 136382), (592, 112423), (703, 94672), (776, 85766), (976, 68191), (1159, 57424), (1406, 47336), (1552, 42883), (1843, 36112), (2257, 29488), (2318, 28712), (2812, 23668), (3589, 18544), (3686, 18056), (4514, 14744), (4636, 14356), (5624, 11834), (5917, 11248), (7178, 9272), (7372, 9028)]