1721619756

素因数分解:

$2^2\times 3^2\times {\mathrm{191}}^1\times {\mathrm{227}}^1\times {\mathrm{1103}}^1$

素因数の和:1531

約数の個数: 72

約数和(自身を含む): 4397912064

約数和(自身を除く): 2676292308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 191, 227, 382, 454, 573, 681, 764, 908, 1103, 1146, 1362, 1719, 2043, 2206, 2292, 2724, 3309, 3438, 4086, 4412, 6618, 6876, 8172, 9927, 13236, 19854, 39708, 43357, 86714, 130071, 173428, 210673, 250381, 260142, 390213, 421346, 500762, 520284, 632019, 751143, 780426, 842692, 1001524, 1264038, 1502286, 1560852, 1896057, 2253429, 2528076, 3004572, 3792114, 4506858, 7584228, 9013716, 47822771, 95645542, 143468313, 191291084, 286936626, 430404939, 573873252, 860809878, 1721619756]

約数ペア:

[(1, 1721619756), (2, 860809878), (3, 573873252), (4, 430404939), (6, 286936626), (9, 191291084), (12, 143468313), (18, 95645542), (36, 47822771), (191, 9013716), (227, 7584228), (382, 4506858), (454, 3792114), (573, 3004572), (681, 2528076), (764, 2253429), (908, 1896057), (1103, 1560852), (1146, 1502286), (1362, 1264038), (1719, 1001524), (2043, 842692), (2206, 780426), (2292, 751143), (2724, 632019), (3309, 520284), (3438, 500762), (4086, 421346), (4412, 390213), (6618, 260142), (6876, 250381), (8172, 210673), (9927, 173428), (13236, 130071), (19854, 86714), (39708, 43357)]