28430766

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1021}}^1$

素因数の和:1066

約数の個数: 96

約数和(自身を含む): 80353728

約数和(自身を除く): 51922962

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 51, 63, 78, 91, 102, 117, 119, 126, 153, 182, 221, 234, 238, 273, 306, 357, 442, 546, 663, 714, 819, 1021, 1071, 1326, 1547, 1638, 1989, 2042, 2142, 3063, 3094, 3978, 4641, 6126, 7147, 9189, 9282, 13273, 13923, 14294, 17357, 18378, 21441, 26546, 27846, 34714, 39819, 42882, 52071, 64323, 79638, 92911, 104142, 119457, 121499, 128646, 156213, 185822, 225641, 238914, 242998, 278733, 312426, 364497, 451282, 557466, 676923, 728994, 836199, 1093491, 1353846, 1579487, 1672398, 2030769, 2186982, 3158974, 4061538, 4738461, 9476922, 14215383, 28430766]

約数ペア:

[(1, 28430766), (2, 14215383), (3, 9476922), (6, 4738461), (7, 4061538), (9, 3158974), (13, 2186982), (14, 2030769), (17, 1672398), (18, 1579487), (21, 1353846), (26, 1093491), (34, 836199), (39, 728994), (42, 676923), (51, 557466), (63, 451282), (78, 364497), (91, 312426), (102, 278733), (117, 242998), (119, 238914), (126, 225641), (153, 185822), (182, 156213), (221, 128646), (234, 121499), (238, 119457), (273, 104142), (306, 92911), (357, 79638), (442, 64323), (546, 52071), (663, 42882), (714, 39819), (819, 34714), (1021, 27846), (1071, 26546), (1326, 21441), (1547, 18378), (1638, 17357), (1989, 14294), (2042, 13923), (2142, 13273), (3063, 9282), (3094, 9189), (3978, 7147), (4641, 6126)]