81430137828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3702043}}^1$

素因数の和:3702113

約数の個数: 72

約数和(自身を含む): 226387394688

約数和(自身を除く): 144957256860

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 1222, 1692, 1833, 2444, 3666, 5499, 7332, 10998, 21996, 3702043, 7404086, 11106129, 14808172, 22212258, 33318387, 44424516, 48126559, 66636774, 96253118, 133273548, 144379677, 173996021, 192506236, 288759354, 347992042, 433139031, 521988063, 577518708, 695984084, 866278062, 1043976126, 1565964189, 1732556124, 2087952252, 2261948273, 3131928378, 4523896546, 6263856756, 6785844819, 9047793092, 13571689638, 20357534457, 27143379276, 40715068914, 81430137828]

約数ペア:

[(1, 81430137828), (2, 40715068914), (3, 27143379276), (4, 20357534457), (6, 13571689638), (9, 9047793092), (12, 6785844819), (13, 6263856756), (18, 4523896546), (26, 3131928378), (36, 2261948273), (39, 2087952252), (47, 1732556124), (52, 1565964189), (78, 1043976126), (94, 866278062), (117, 695984084), (141, 577518708), (156, 521988063), (188, 433139031), (234, 347992042), (282, 288759354), (423, 192506236), (468, 173996021), (564, 144379677), (611, 133273548), (846, 96253118), (1222, 66636774), (1692, 48126559), (1833, 44424516), (2444, 33318387), (3666, 22212258), (5499, 14808172), (7332, 11106129), (10998, 7404086), (21996, 3702043)]