128789178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2957}}^1$

素因数の和:3047

約数の個数: 64

約数和(自身を含む): 316908288

約数和(自身を除く): 188119110

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 61, 102, 119, 122, 183, 238, 357, 366, 427, 714, 854, 1037, 1281, 2074, 2562, 2957, 3111, 5914, 6222, 7259, 8871, 14518, 17742, 20699, 21777, 41398, 43554, 50269, 62097, 100538, 124194, 150807, 180377, 301614, 351883, 360754, 541131, 703766, 1055649, 1082262, 1262639, 2111298, 2525278, 3066409, 3787917, 6132818, 7575834, 9199227, 18398454, 21464863, 42929726, 64394589, 128789178]

約数ペア:

[(1, 128789178), (2, 64394589), (3, 42929726), (6, 21464863), (7, 18398454), (14, 9199227), (17, 7575834), (21, 6132818), (34, 3787917), (42, 3066409), (51, 2525278), (61, 2111298), (102, 1262639), (119, 1082262), (122, 1055649), (183, 703766), (238, 541131), (357, 360754), (366, 351883), (427, 301614), (714, 180377), (854, 150807), (1037, 124194), (1281, 100538), (2074, 62097), (2562, 50269), (2957, 43554), (3111, 41398), (5914, 21777), (6222, 20699), (7259, 17742), (8871, 14518)]