251511036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 686407680

約数和(自身を除く): 434896644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 151, 158, 237, 251, 302, 316, 453, 474, 502, 553, 604, 753, 906, 948, 1004, 1057, 1106, 1506, 1659, 1757, 1812, 2114, 2212, 3012, 3171, 3318, 3514, 4228, 5271, 6342, 6636, 7028, 10542, 11929, 12684, 19829, 21084, 23858, 35787, 37901, 39658, 47716, 59487, 71574, 75802, 79316, 83503, 113703, 118974, 138803, 143148, 151604, 167006, 227406, 237948, 250509, 265307, 277606, 334012, 416409, 454812, 501018, 530614, 555212, 795921, 832818, 1002036, 1061228, 1591842, 1665636, 2994179, 3183684, 5988358, 8982537, 11976716, 17965074, 20959253, 35930148, 41918506, 62877759, 83837012, 125755518, 251511036]

約数ペア:

[(1, 251511036), (2, 125755518), (3, 83837012), (4, 62877759), (6, 41918506), (7, 35930148), (12, 20959253), (14, 17965074), (21, 11976716), (28, 8982537), (42, 5988358), (79, 3183684), (84, 2994179), (151, 1665636), (158, 1591842), (237, 1061228), (251, 1002036), (302, 832818), (316, 795921), (453, 555212), (474, 530614), (502, 501018), (553, 454812), (604, 416409), (753, 334012), (906, 277606), (948, 265307), (1004, 250509), (1057, 237948), (1106, 227406), (1506, 167006), (1659, 151604), (1757, 143148), (1812, 138803), (2114, 118974), (2212, 113703), (3012, 83503), (3171, 79316), (3318, 75802), (3514, 71574), (4228, 59487), (5271, 47716), (6342, 39658), (6636, 37901), (7028, 35787), (10542, 23858), (11929, 21084), (12684, 19829)]