28023828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 78274560

約数和(自身を除く): 50250732

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 79, 82, 84, 103, 123, 158, 164, 206, 237, 246, 287, 309, 316, 412, 474, 492, 553, 574, 618, 721, 861, 948, 1106, 1148, 1236, 1442, 1659, 1722, 2163, 2212, 2884, 3239, 3318, 3444, 4223, 4326, 6478, 6636, 8137, 8446, 8652, 9717, 12669, 12956, 16274, 16892, 19434, 22673, 24411, 25338, 29561, 32548, 38868, 45346, 48822, 50676, 56959, 59122, 68019, 88683, 90692, 97644, 113918, 118244, 136038, 170877, 177366, 227836, 272076, 333617, 341754, 354732, 667234, 683508, 1000851, 1334468, 2001702, 2335319, 4003404, 4670638, 7005957, 9341276, 14011914, 28023828]

約数ペア:

[(1, 28023828), (2, 14011914), (3, 9341276), (4, 7005957), (6, 4670638), (7, 4003404), (12, 2335319), (14, 2001702), (21, 1334468), (28, 1000851), (41, 683508), (42, 667234), (79, 354732), (82, 341754), (84, 333617), (103, 272076), (123, 227836), (158, 177366), (164, 170877), (206, 136038), (237, 118244), (246, 113918), (287, 97644), (309, 90692), (316, 88683), (412, 68019), (474, 59122), (492, 56959), (553, 50676), (574, 48822), (618, 45346), (721, 38868), (861, 32548), (948, 29561), (1106, 25338), (1148, 24411), (1236, 22673), (1442, 19434), (1659, 16892), (1722, 16274), (2163, 12956), (2212, 12669), (2884, 9717), (3239, 8652), (3318, 8446), (3444, 8137), (4223, 6636), (4326, 6478)]